Wallpaper Rolls

(10 ft + 12 ft) * 2 = 44 feet. Calculate the wall area by multiplying the room’s perimeter by its height: 44 ft * 8 ft = 352 sq ft. Calculate the required number of single rolls by dividing the wall area by the number of square feet a single roll provides: 352 sq ft / 30 sq ft = 11.73 (rounded to two decimal places, or approximately 12 single ... ................
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